hdi low viscosity vencorex hdt-lv2   about： tolonate™ hdt-lv2 is a solvent-free, very low ciscosity aliphatic polyisocyanate based on hexamethylene diisocyanate trimer (hdi homopolymer). this product is supplied at 100% solids and is designed to reduce voc emissions of the formulations. it is used for very high solids, low voc, two component polyurethanes coatings and varnishes....